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Mathematics, 21.06.2019 13:00
Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b
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Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ā n(n ā 1)cnxn ā 2 n = 2 ā 4 ā ncnxn n = 1 + ā cnxn n = 0
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Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least āc.ā using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least ācā?
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Light travels at 186,000 miles per second. light takes about 1 1? 3 seconds to travel from the earth to the moon. calculate the distance between the earth and the moon based on the speed of light.
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